Synopsis

It's a quick time jump to the 26th century where a school trip to a rebuilt 21st century city turns into a wild adventure for teenaged Shinichi. While chasing a talking deer that steals his bag, he runs into a strange girl trying to elude even stranger pursuers, and then things get really wild. It's a mad dash through a city of the past as two young people discover a chance at a new future.

This is a quick fix if you want to see a small romance story. But it's fairly accomplished.

Story:
What you'd expect from a 25 minute story. There's barely any time to create a setting.
You see a boy on a school trip, and that's your lead male. You see a girl of questionable origins and that's your lead female. And of course, a way (no matter how randomly made) for them to meet.

Art:
It's probably the most unusual thing about this show. Every single thing (except for some backgrounds and details) is animated with 3D models. Every character (which is kind of cheating the animation process IMO).
This results
in some strange facial expressions (mouth especially). And a few weird movements, but only for those with seriously honed observation skills.

Sound:
The sound was perfectly fit. As for soundtrack. It's just there.

This reminds me of going to giant Buddhist temples when I was travelling Sri Lanka and took those memories and added robots, cute girls and thugs. Super cool!

I probably enjoyed this more than most would as I've long been interested in science fiction looks at religion. So this light sci-fi OAV short with a reincarnated temple priestess and giant Buddha (daibutsu) robots scratched a rare itch for me.

There's nothing particularly deep here, it's just an innocent and pleasant romance with pretty cool art and animation. It's really the depiction of future Buddhism (which looks a lot like current Buddhism, which makes sense given that it
has been around for a long time) that makes me love it. If that seems neat to you, you probably enjoy, otherwise there's other stuff that might be better worth your time.

"Koisento" is a very simple love story where an boy who is trying to find love, comes across a pretty girl in a peculiar way.
By jumping over a skyscraper on a mountain goat-like deer.

Story:
A cute love story with a few complications along the way.

Art:
The art is very unique and well done for the most part. I'm not a fan of it though.
Some of the expressions and animations are kind of awkward.
The atmosphere of the animation makes this show feel like a children's production. I can see that working for a show like this, except for the panties joke at the beginning.
But I personally don't
like the atmosphere of a production that feels like it has held itself back just to be kid friendly, it feels strange and uncomfortable.

The shot of the "Ocean" at the end is quite beautiful.

Sound:
I was surprised, the BGM was quite good for what it is for, and fit the scenes where need be.
The Opening and Ending pieces almost feel tacked on, because of their shorter than 1:00 length.
It is good overall.

Character:
As for the length of this production, there's not much room for character building, although Shnichi does not need very much character introduction.
It would have been nice to know more about what Toto had to go through being a [Spoiler]------------- Robot/Android.
You don't know very much about the white deer either, which would have been nice.

Enjoyment:
I enjoyed it to an extent.
But the children's production feeling was very odd to me, and I did not like that very much.

Comments:
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This is my debut for watching a Shuhei Morita production, and he has potential in directing, but I truly believe the show would have had more charm if it were animated traditionally, rather than the 3D that I did not expect (The poster is a liar).
Even though 25 minutes is a short time for character development, you can a do a surprising amount of detail in 20 minutes than most people may think.
Such as the expertly made "Ojii-san no Lamp" or an episode of "Full Metal Alchemist Brotherhood" or "Eve no Jikan", it all depends on the inspiration and how much work they put in it.

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Overall:
This would not be a production I would watch again, mainly for the uncomfortable "children's show" feel to it.
It is unique, but nothing special.
But not too much of a waste due to short length, I did not feel like I wanted to turn it off pre-maturely.